16999081541 has 16 divisors (see below), whose sum is σ = 19392746688. Its totient is φ = 14761440000.

The previous prime is 16999081537. The next prime is 16999081553. The reversal of 16999081541 is 14518099961.

It is not a de Polignac number, because 16999081541 - 2² = 16999081537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16999081531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480386 + ... + 514556.

It is an arithmetic number, because the mean of its divisors is an integer number (1212046668).

Almost surely, 2^16999081541 is an apocalyptic number.

It is an amenable number.

16999081541 is a deficient number, since it is larger than the sum of its proper divisors (2393665147).

16999081541 is a wasteful number, since it uses less digits than its factorization.

16999081541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36452.

The product of its (nonzero) digits is 699840, while the sum is 53.

The spelling of 16999081541 in words is "sixteen billion, nine hundred ninety-nine million, eighty-one thousand, five hundred forty-one".